The slider$-$crank mechanism is shown in Figure Q$6.$ The crank OB has a constant clockwise angular speed of $1500$ rev$/$min$.$ For the instant when the crank angle is $60\backslash$deg and $3$ is $18\mathrm{.}02\backslash$deg $,$ evaluate the acceleration of piston A and the angular acceleration of connecting rod AB$.$ r $=350$ mm B $($CO$3$: PO$2-25$ marks$)$ FIGURE Q$6($Meriam & Kraige,$2013)$ : $125$ mm $000$