@sh.add_function(dsp, outputs=['wheel_powers'])
def calculate_wheel_powers(wheel_torques, wheel_speeds):
"""
Calculates power at the wheels [kW].
:param wheel_torques:
Torque at the wheel [N*m].
:type wheel_torques: numpy.array | float
:param wheel_speeds:
Rotating speed of the wheel [RPM].
:type wheel_speeds: numpy.array | float
:return:
Power at the wheels [kW].
:rtype: numpy.array | float
"""
return wheel_torques * wheel_speeds * (math.pi / 30000.0)