Szukamy
[tex] \bold{ \large{ \bold{a}}}[/tex]
[tex]s = \frac{ {at}^{2} }{2} | \times 2 \\ 2s = {at}^{2} | \div {t}^{2} \\ \boxed{\boxed{ \large{ \bold{a = \frac{2s}{ {t}^{2} }} }}}[/tex]
