<xsd:simpleType name="SpeedUnitsContentType">
    <xsd:annotation>
        <xsd:documentation>
                This code list represents the System Internationale's unit of measure for speed.
            </xsd:documentation>
    </xsd:annotation>
    <xsd:restriction base="xsd:normalizedString">
        <xsd:enumeration value="miles per hour">
            <xsd:annotation>
                <xsd:documentation source="http://www.unc.edu/~rowlett/units/">Miles Per Hour</xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
        <xsd:enumeration value="meters per second">
            <xsd:annotation>
                <xsd:documentation source="http://www.unc.edu/~rowlett/units/">Meters Per Second</xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
        <xsd:enumeration value="kilometers per hour">
            <xsd:annotation>
                <xsd:documentation source="http://www.unc.edu/~rowlett/units/">Kilometers Per Hour</xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
        <xsd:enumeration value="knots">
            <xsd:annotation>
                <xsd:documentation source="http://www.unc.edu/~rowlett/units/">Knots</xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
        <xsd:enumeration value="nautical miles per hour">
            <xsd:annotation>
                <xsd:documentation source="http://www.unc.edu/~rowlett/units/">Nautical Miles Per Hour</xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
        <xsd:enumeration value="mach">
            <xsd:annotation>
                <xsd:documentation source="http://www.unc.edu/~rowlett/units/">Mach</xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
        <xsd:enumeration value="gallons per hour">
            <xsd:annotation>
                <xsd:documentation>Gallons Per Hour</xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
        <xsd:enumeration value="liters per hour">
            <xsd:annotation>
                <xsd:documentation>Liters Per Hour</xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
        <xsd:enumeration value="revolutions per minute">
            <xsd:annotation>
                <xsd:documentation>Revolutions Per Minute (rpm)</xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
        <xsd:enumeration value="foot per second">
            <xsd:annotation>
                <xsd:documentation>foot per second (ft/s)</xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
        <xsd:enumeration value="meter per second">
            <xsd:annotation>
                <xsd:documentation>meter per second (m/s)</xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
        <xsd:enumeration value="miles per gallon">
            <xsd:annotation>
                <xsd:documentation>miles per gallon</xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
        <xsd:enumeration value="meters per liter">
            <xsd:annotation>
                <xsd:documentation>meters per litre</xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
    </xsd:restriction>
</xsd:simpleType>

• SpeedUnitsContentType
• sqdt:unitCode