A motorist enters a freeway at 10 m/s and accelerates uniformly to 25 m/s. From the odometer in the car, the motorist knows that he travelled 200 m while accelerating. Determine (a) the acceleration...

A motorist enters a freeway at 10 m/s and accelerates uniformly to 25 m/s. From the odometer in the car, the motorist knows that he travelled 200 m while accelerating. Determine (a) the acceleration of the car and (b) the time required to reach 25 m/s.