You are traveling on an interstate highway at the posted speed limit of 70 mph when you see that the traffic in front of you has
stopped due to an accident up ahead. You step on your brakes to slow down as quickly as possible. Assume that you to slow down to 30 mph in about 5 seconds. A) With this same average acceleration, how much longer would it take you to stop? B) What total distance would you travel from when you first apply the brakes until the car stops?