Part $1.$ With the motion diagrams shown in $($a$)-($c$),$ indicate the directions of the acceleration in each diagram. $(15$ pts$)$

$($b$)$

$($c$)$

Part $2.$ For the velocity vs time graph shown in $($d$).$ Determine the acceleration at $t=2s$ AND the displacement at $t=3s.$

$(10$ pts$)$

$-\frac{1}{2}\frac{u}{s^2}$

Clcceleration at $t=2s=($d$)v_x$

Displacuert of $t=31$