The initial velocity and acceleration of four moving objects at a given instant in time are given in the following table. Determine the

final speed of each of the objects, assuming that the time elapsed since $t=0s$ is $2\mathrm{.}5s.$

$($a$)$ Final speed $=$

$($b$)$ Final speed $=$

$($c$)$ Final speed $=$

$($d$)$ Final speed $=$