Please explain each steps if you can. Thank you.

2. We are lifting a 12 lb sand bucket which is 36 ft below person A using a cable that has a unit weight of lb/ft. Initially the sand bucket is at ground level and person A pulls the rope A until the bucket reaches the person B who is at 9 ft above the ground. (a) Draw a sketch and indicate element and how distance is measured. Clearly indicate the origin and direction of 36ft measurement. .3 (b) Setup an integral to nd the work done by person A. (Hint: You may Split the problem into several parts) 9 ft