Acar is traveling along a road, and its engine is turning over with an angular velocity of +188 rad/s. the driver steps on the accelerator, and in a time of 15.6 s the angular velocity increases to +293 rad/s. (a) what would have been the angular displacement of the engine if its angular velocity had remained constant at the initial value of +188 rad/s during the entire 15.6-s interval? (b) what would have been the angular displacement if the angular velocity had been equal to its final value of +293 rad/s during the entire 15.6-s interval? (c) determine the actual value of the angular displacement during the 15.6-s interval.