A sprinter explodes out of the starting block with an acceleration of $+2\mathrm{.}44\frac{m}{s^2},$ which she sustains for $1\mathrm{.}03s.$ Then, her acceleration drops to zero for the rest of the race. What is her velocity at $($a$)$t $=1\mathrm{.}03s$ and $($b$)$ at the end of the race?

$($a$)$ Number

Units

$($b$)$ Number

Units