def __repr__(self):
        """
        Returns a string representation of this speed object.

        @return: The string representation.
        @rtype: C{str}
        """
        speedValue = round(self.inMetersPerSecond, 2)
        return "<%s (%s m/s)>" % (self.__class__.__name__, speedValue)

        Returns a string representation of this speed object.

        @return: The string representation.
        @rtype: C{str}
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/positioning/base.py