A car is initially at rest on a straight road. The graph shows the acceleration of the car along that road as a function of time. W N a (m/s/s) -3 0 1 2 5 6 7 8 9 10 11 12 13 14 t (s) What is the speed of the car at =7 s? Submit Answer Tries 0/20 How much distance does the car cover in the first 8 seconds? Submit Answer Tries 0/20 What is the speed of the car at t=13 s