The mine car is being pulled up to the inclined plane using the motor M and the rope-and-pulley arragement shown. Determine the speed vp at which a point P on the cable must be traveling toward the motor to move

The mine car is being pulled up to the inclined plane using the motor M and the rope-and-pulley arragement shown. Determine the speed v_p at which a point P on the cable must be traveling toward the motor to move the the car up the plane with a constant speed of v = 5 m/s.