During liftoff a hot-air balloon accelerates upward at a

Question

Solve the each part of given question:

Question: During liftoff, a hot-air balloon accelerates upward at a rate of 2.8m/s². The balloonist drops an object over the side of the gondola when the speed is 12 m/s.

Part A: What is the magnitude of the object's acceleration after it is released (relative to the ground)?

Part B: What is the direction of the object's acceleration after it is released (relative to the ground)?

Part C: How long does it take to hit the ground?

Please help, completely confused!! Give steps if possible and express your answer using two significant figures.