class documentation
        
        class Velocity(VectorData):
Velocity data of the object.
| Class Variable | name | 
    Is always 'velocity' | 
| Class Variable | val | 
    x in (m/s): Velocity of the x (forward) coordinate of the center of the cuboid. | 
- A tuple of six floats.
 - x in (m/s): Velocity of the x (forward) coordinate of the center of the cuboid.
 - y in (m/s): Velocity of the y (left) coordinate of the center of the cuboid.
 - z in (m/s): Velocity of the z (up) coordinate of the center of the cuboid.
 - rx in (rad/s): Velocity of the roll angle.
 - ry in (rad/s): Velocity of the pitch angle.
 - rz in (rad/s): Velocity of the yaw angle.