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A hot air balloon is ascending straight ...

A hot air balloon is ascending straight up at a constant speed of 7.0 m/s. When the balloon is 12.0 m above the ground, a gun fires a pellet straight up from ground level with an initial speed of 30.0 m/s. Along the paths of the balloon and the same altitude at the same time. How far above ground level are these places ?

A

`1.5 m//s^(2)`

B

`4.5 m//s^(2)`

C

`3.0 m//s^(2)`

D

`6.0 m//s^(2)`

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Verified by Experts

The correct Answer is:
B
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