In the figure shown, the system is released from rest. Find the velocity of block \( A \) when b....

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In the figure shown, the system is released from rest. Find the velocity of block \( A \) when block \( B \) has fallen a distance ' \( l \) '. Assume all pulleys to be massless and frictionless.
P
W
(1) \( \sqrt{\frac{g \ell}{5}} \)
(2) \( \sqrt{g \ell} \)
(3) \( \sqrt{5 g \ell} \)
(4) None of these


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