During liftoff, a hot-air balloon accelerates upward at a rate of 2.5 . The balloonist drops an object over the side of the gondola when the speed is 12 .

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)?

What is the direction of the object’s acceleration after it is released (relative to the ground)?

downward

upward

horizontal
Part C

How long does it take to hit the ground?

Express your answer using two significant figures.