\f Suppose the distance in feet a car travels before cumlng to a complete Stop after the driver applies breaks 15 Tlix} '2 2.5: + (35:2. when: 1: mph is the speed of the car at the instance the breaks were applied. 1'] 3. Uee differentials to approximate the change in total stepping distance if it changes fmm x = 2n mph tux = 312} mph