3. The roll vurtion of an aircrapt is approrimuated by $\frac{p(s) }{\delta_{a}(s)}=\frac{2}{1+0.5) .$ a) Determine $K$ much that the selfling time at umit conmand pcom and fr $d \equiv 0$ of the following configuration: is $t_{\Delta} \leq 5 \mathrm{sec] $. b) For Sk$ determined abore and for ponu $0$, defermine SP.SD.314