Question 9 9 pts A car is traveling to the right with constant acceleration along a straight track. The car travels 150 m from the moment its speed is 20 m/s to the moment its speed is 50 m/s. What was the magnitude of the acceleration of the car during this time? O 8 m/s2 O 9 m /s 2 7 m/s2 6 m/s2 O 5 m/s2