@sh.add_function(dsp, inputs_kwargs=True, outputs=['motor_p0_speeds'])
def calculate_motor_p0_speeds(engine_speeds_out, motor_p0_speed_ratio=3):
"""
Calculates rotating speed of motor P0 [RPM].
:param engine_speeds_out:
Engine speed [RPM].
:type engine_speeds_out: numpy.array
:param motor_p0_speed_ratio:
Ratio between motor P0 speed and engine speed [-].
:type motor_p0_speed_ratio: float
:return:
Rotating speed of motor P0 [RPM].
:rtype: numpy.array | float
"""
return engine_speeds_out * motor_p0_speed_ratio