$A$ rocket with a lift-off mass $2 \times 10^4\,kg$ is blasted upwards with an initial acceleration of $5\,m\,s^{-2}$. The initial thrust of the blast is (Take $g = 10\,m\,s^{-2}$).

  • A
    $2 \times 10^5\,N$
  • B
    $3 \times 10^5\,N$
  • C
    $4 \times 10^5\,N$
  • D
    $5 \times 10^5\,N$

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