Question $7(5$ points$)$

On planet #$2,$ you launch a projectile straight up from the ground at a speed of $36\mathrm{.}6\frac{m}{s}.$ The projectile reaches a maximum height of $42\mathrm{.}9$ m before falling back to the ground. What is the value of $g$ for planet #$2?$

$25\mathrm{.}14\frac{m}{s^2}$

$50\mathrm{.}28\frac{m}{s^2}$

$15\mathrm{.}61\frac{m}{s^2}$

$31\mathrm{.}23\frac{m}{s^2}$