2. You have a double-acting, single-rod hydraulic cylinder that has a piston diameter of 70 mm, a rod diameter of 30 mm, and a stroke of 0.5 meters. It is supplied 40 liters/minute of oil at a pressure of up to 35 MPa. a. What is the maximum available extension force (kN)? b. What is the maximum available retraction force (kN)? c. What is the extension velocity (m/min)? d. What is the retraction velocity (m/min)? e. What is the extension time (sec)? f. What is the retraction time (sec)?