$A$ monkey of mass $20\,kg$ is holding a vertical rope. The rope can break when a mass of $25\,kg$ is suspended from it. What is the maximum acceleration with which the monkey can climb up along the rope (in $,m/s^2$)?

  • A
    $7$
  • B
    $2.5$
  • C
    $10$
  • D
    $5$

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