Question $3$: For the following response to step change to the controller output $2\mathrm{.}5\%,$ using Fit $3,$ approximate the FOPDT model.

Hint:

FOPDT:$G_1(s)=\frac{C(s)}{M(s)}=\frac{K{e}^{-t0s}}{s+1}$;$K=\frac{c_s}{m}$