I just took my Physics Midterm and there was one problem on the test that I had no clue on and just left blank. Here's the problem: A 6.0 kg box is attached to a rope that is wound around a pulley of radius 0.150 m and mass 10.0 kg. The box is initially at rest and is suspended 3.0 m above the ground. There is no slipping between the rope and the pulley. Given this information, find both the velocity of the box and the tension of the rope the moment before the box contacts the ground. Anyone have any ideas?