A car drives at a constant speed of 100 /s for 20 . For the next 1 , the car accelerates to 200 /s at a constant acceleration. The driver of the car then slams on the breaks and comes to a full stop in 40 seconds. The deceleration of the car is constant. Plot a speed versus time graph. Determine the total distance traveled by the car and its average speed over this distance. Determine the distance traveled by the car after 80 seconds.