Spatial velocity
^^^^^^^^^^^^^^^^

.. autoclass:: spatialmath.spatialvector.SpatialVelocity
   :members: 
   :undoc-members:
   :show-inheritance:
   :inherited-members:
   :special-members: _A, __add__, __sub__, __xor__, __init__
   :exclude-members: count, copy, index, sort, remove, binop, unop, arghandler