If a stone is released from a balloon rising with acceleration $a$ at the instant when its velocity is $v$,then immediately after release,the acceleration and velocity of the stone are

  • A
    $a$ (upward),$v$ (upward)
  • B
    $g$ (upward),$v$ (upward)
  • C
    $g$ (downward),$v$ (upward)
  • D
    $(g-a)$ (downward),$v$ (upward)

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