Question:
A spaceship in space sweeps stationary interplanetary dust. As a result, its mass increases at a rate $\frac{\mathrm{dM}(\mathrm{t})}{\mathrm{dt}}=\mathrm{bv}^{2}(\mathrm{t})$, where $\mathrm{v}(\mathrm{t})$ is its instantaneous velocity. The instantaneous acceleration of the satellite is:
Correct Option: , 4
Solution:
