The position of an object is described by the function x$($t$)=$ at$4+$ bt$2,$ where a $=7$ m$/$s$4$ and b $=3$ m$/$s$2.$ In a few sentences, please explain how you would figure out when the particle has its greatest velocity.Translate each description to an if$-$else statement as directly as possible. Use $\{\}.($Not checked, but please indent a branch's statements some consistent number of spaces, such as $3$ spaces$).$

$1)$

If userAge equals $62,$ assign itemDiscount with $15.$ Else, assign itemDiscount with $0.$