The position versus time for a certain particle moving along the x axis is shown in Figure P2.6.Find the average velocity in the time intervals (a) 0 to 2.00 s, (b) 0 to 4.00 s, (c) 2.00 s to 4.00 s, (d) 4.00 s to 7.00 s, (e) 0 to 8.00 s.