A particle \( A \) has charge \( +q \) and a particle \( B \) has charge \( +4 q \) with each of...

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A particle \( A \) has charge \( +q \) and a particle \( B \) has charge \( +4 q \) with each of them having the same mass \( m \). When allowed to fall from rest through the same electric potential difference, the ratio of their speed \( \frac{\nu_{A}}{\nu_{B}} \) will become
(A) \( 2: 1 \)
(B) \( 1: 2 \)
(C) \( 1: 4 \)
(D) \( 4: 1 \)
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