6. The graph shows the position function of a car in miles at time t hours. We have learned that the derivative of the position function is the velocity function. Use the shape of the graph to explain your answers to the following questions. position of car in miles 2 2 3 5 6 time in hours a. Was the car going faster at point A or point B? Provide a brief explanation. b. What happened between points C and D? Provide a brief explanation. C. What is the velocity of the car at point E? Describe the motion of the car around point E. Provide a brief explanation