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A satellite in a force - free space swee...

A satellite in a force - free space sweeps stationary interplanetary dust at a rate `dM//dt = alpha v`, where `M` is the mass , `v`is the velocity of the satellite and `alpha` is a constant. What is the deacceleration of the satellite ?

A

`-(2alphav^(2))/(M)`

B

`-(alphav^(2))/(M)`

C

`-(alphav^(2))/(2M)`

D

`-alphav^(2)`

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The correct Answer is:
B
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