Figure $1$ shows the step response for a mass$-$spring$-$damper system.

Estimate the following: Rise time $(T_r),$ Peak time $(T_p)$ & Percent Overshoot $($P$.$O$.)$

i$)$ Rise time $(T_r)$

ii$)$ Peak time $(T_p)$

iii$)$ Percent Overshoot $($P$.$O$.)$