Position-time graph 3. For the position-time graph shown, draw the corresponding velocity-time graph directly below it. Also, fill in the values on the vertical axis of the velocity graph. Sx (cm) 100 - 75 II III 50 - 2 I IV 25 0 r t (s) 0 2 6 10 Vz (cm/s) 2 II 12.5 I IV O r t (s) 2 4 10 - OO II - 25