mu 0.3 Friction coefficient v0 25[m/s] Initial vehicle speed a0 -10[m/s^2] Initial vehicle acceleration r_wheel 0.25[m] Wheel radius m_car 1800[kg] Vehicle mass t_brake_start 2[s] Braking time (start) t_brake_end 4[s] Braking time (end) T_air 300[K] Temperature, air