Solve the following problems and show your complete solutions for better understanding. Explain your answer for better understanding. 9-8.13. In Fig. P-9-8.13, the motion of the pin P on a fixed circular path of radius r is controlled by the slotted rod OA. Between = /4. the rod OA has a constant angular speed 8. Find the acceleration of P at any value of between the indicated limits. ure P-9-8.12 60 5.2' Figure P-9-8.13