In the shown pulley system, block B starts moving from rest to the right. At the shown instant, the weight W has moved, up m with a variable velocity v(t) = 0.4 +0.5t m/s. (I) drive an equation for the relative position S/A (W Determine the relative velocity between block A and B at the shown instant when the weight acceleration =1.1. Note at the shown isntant x =0.8, y = 1.4. Answer: