A plane's propeller has a rotational inertia of 4.0 kg . m'. The propeller initially has a clockwise angular rad speed of 9.0 -. but has a constant counterclockwise torque of 3.0 N . m applied until the propeller S reaches a counterclockwise rotation of 19 fad S How much time was the torque applied for? Answer using a coordinate system where counterclockwise is positive. 42 seconds 36 seconds 64 seconds O 28 seconds