7. A 2.0 kg metal bucket containing 5.5 kg of water is being hoisted up from a well by a pulley wheel when the handle on the pulley wheel breaks away from the wheel. As the wheel unwinds, the bucket (initially at rest) starts to fall back down the well, and you attempt to slow it down by applying a constant friction force of 50.0 N at the top of the wheel. What is the bucket's speed after falling 5.0 m if the pulley wheel is a solid disk (I = 1/2MR²) of mass 1.4 kg and radius 0.25 m? See figure 6. (answer 5.1 m/s) ​