Figure shows a small wheel fixed coaxially on a bigger one of double the radius. The system rotates about the common axis. The strings supporting $A$ and $B$ do not slip on the wheels. If $x$ and $y$ be the distances travelled by $A$ and $B$ in the same time interval, then

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  • A

    $x = 2y$

  • B

    $x = y$

  • C

    $y = 2x$

  • D

    None of these

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