The highest point of a simple pendulum bob is \(5 \mathrm{~cm}\) vertically above the lowest point as it swings to and fro between the two extreme ends. At what velocity does it swing past the lowest point (equilibrium point) where the string is vertical? (take \(g=10 \mathrm{~m} / \mathrm{s} 2\) )

A. \(1 \mathrm{~m} / \mathrm{s}\)  
B. \(2 \mathrm{m} / \mathrm{s}\)
C. \(5 \mathrm{~m} / \mathrm{s}\)
D. \(10 \mathrm{~m} / \mathrm{s}\)

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Correct Answer: A