ermine v$0$ and d when $($i$)\backslash$alpha $=31$

$,($ii$)\backslash$alpha $=27$

A drone, initially stationary, begins to ascend with a uniform acceleration of $1\mathrm{.}2$ m$/$s$2$ until

it attains a velocity of $7\mathrm{.}8$ m$/$s$,$ which it maintains thereafter. A robotic arm positioned

$12$ m above the drone$$s initial location releases a ball with an initial upward velocity of

$20$ m$/$s$,$ two seconds after the drone starts moving. Determine when the ball will hit the

drone