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Answer:
v = 49.05 m/s^2
Explanation:
Let's use the uniform acceleration equation to find our final velocity.
[tex]v = u + at[/tex]
v = final velocity
u = initial velocity
a = gravitational acceleration
t = time taken
Assuming the rock is at rest initially, u becomes zero.
[tex]v = 0 + 9.81(5)[/tex]
[tex]v = 49.05 m/s^2[/tex]