[tex]\Delta v = 90\frac{km}{h}=\frac{90}{3,6}\frac{m}{s}=25 \frac{m}{s}[/tex]
[tex]\Delta t = 1,5 min = 90 s[/tex]
[tex]a=\frac{\Delta v}{\Delta t} = \frac{25\frac{m}{s}}{90s}=\frac{5}{18}\frac{m}{s^2}[/tex]
[tex]s=\frac{1}{2}at^2=\frac{1}{2}\cdot \frac{5}{18}\frac{m}{s^2}\cdot 8100s^2 = 1125m[/tex]
