$A$ satellite in force-free space sweeps stationary interplanetary dust at a rate $\frac{dM}{dt} = \alpha v$,where $M$ is the mass,$v$ is the velocity of the satellite,and $\alpha$ is a constant. What is the deceleration of the satellite?

  • A
    $ - 2\alpha v^2/M$
  • B
    $ - \alpha v^2/2M$
  • C
    $ - \alpha v^2/M$
  • D
    $ - \alpha v^2$

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