We use the equation of motion:
\[\Delta y = v_{i}t + \frac{1}{2}at^{2}\]
where \(\Delta y = 50 \, m\) is the displacement, \(v_{i} = 0 \, m/s\) is the initial velocity, \(a = -9.8 \, m/s^{2}\) is the acceleration due to gravity, and \(t\) is the time we want to
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