A small mailbag is released from a helicopter that is descending steadily at $2\mathrm{.}11$ m$/$s$.$

$($a$)$ After $5\mathrm{.}00$ s$,$ what is the speed of the mailbag?

$($b$)$ How far is it below the helicopter?

$($c$)$ What are your answers to parts $($a$)$ and $($b$)$ if the helicopter is rising steadily at $2\mathrm{.}11$ m$/$s$?$