Question 10 ~ 10 pts The driver of a car sees a fallen boulder blocking the road. He slams on the brakes and brings the car to a stop at exactly the same moment that the car's bumper hits the boulder. If the car slows at a rate of -4.80 m/s2 for a total of 2.31 seconds and the car slides for 77.0 meters, what was the original velocity of the car? (Ignore the reaction time of the driver.) 0 29.0 m/s 0 33.3 m/s O 45.2 m/s 0 38.9 m/s