Physics (10th Edition)

$v^{2}=u^{2}+2ax$ $v=\sqrt (u^{2}+2ax)$ Let down be the positive direction When air resistance is absent, a=9.8 $m/s^{2}$ $v=\sqrt {((0)^{2}+2(9.8)(99.4))}$ $v\approx44.1\; m/s$