We can use the equation of motion $v^2 = u^2 + 2gs$ where $v$ is the final velocity, $u$ is the initial velocity, $g$ is the acceleration due to gravity, and $s$ is the distance. In this case, the parachutist starts from rest so $u = 0$, $g = 9.8 \, \text{m/s}^2$,
Show more…