30 \times 10^7 \, \text{m/s}\)
Initial speed, \(v_i = 0 \, \text{m/s}\)
Distance traveled, \(d = 4.20 \, \text{m}\)
Using the equation \(v_f^2 = v_i^2 + 2ad\), we can solve for acceleration \(a\):
\[ (2.30 \times 10^7)^2 = 0 + 2 \times a \times 4.20 \]
\[ a =
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