Question 5 The four bar linkage mechanism as shown below has two hydraulic cylinders controlling the motion of the connecting rods A and C so that they can only move in the vertical direction. At this instant, the distance y is 'iSO mm, so that the distance from A to C is 250mm. A has an upwards velocity of 5.8 mfs and C has an upwards velocity of 3.1 mls. Calculate the angular velocity of link AB, expressing your answer to one decimal place in units of rad/s, with counterclockwise rotation as positive. Do not include units in your answer. 250 mm