Correct Answer: Option A

Explanation

W ∝ U
W = KU
K = \(\frac{W}{U}\)
K = \(\frac{5}{3}\)
W = \(\frac{5}{3}U\)
\(\frac{2}{7} = \frac{5}{3}\)U
U = \(\frac{2}{7} \times \frac{3}{5}\)
U = \(\frac{6}{35}\)

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