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A helicopter rises from rest on the grou...

A helicopter rises from rest on the ground vertically upwards with a constant acceleration g. A food packet is dropped from the helicopter when is at a height h. The time taken by the packet to reach the ground is close to [ g is the acceeration due to gravity] :

A

`t = 2/3 sqrt((h/g))`

B

`t = 1.8 sqrt(h/g)`

C

`t = 3.4 sqrt((h/g))`

D

`t = sqrt((2h)/(3g))`

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