# Question: During liftoff a hot air balloon accelerates upward at a rate

During liftoff, a hot-air balloon accelerates upward at a rate of 3.0 m/s2. The balloonist drops an object over the side of the gondola when the speed is 15 m/s.

(a) What is the objectâ€™s acceleration after it is released (relative to the ground)?

(b) How long does it take to hit the ground?

(a) What is the objectâ€™s acceleration after it is released (relative to the ground)?

(b) How long does it take to hit the ground?

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