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A ball is thrown vertically upwards in a...

A ball is thrown vertically upwards in air, If the resistance cannot be neglected (assume it to be directly proportional to velocity), then choose the correct options. (Assume that resistance force is less than weight of ball and `g` is acceleration of the ball due to graviy)

A

at the highest point acceleration of the ball is zero

B

at the highest point acceleration of the ball is g.

C

in upward motion (when ball is moving upwards) acceleration of the ball is more (in magnitude) than `g`.

D

in downward motion (when ball is moving downwards) acceleration of the ball is less (in magnitude) than `g`.

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The correct Answer is:
B, C, D
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