9.8m/s29.8 m/s^{2}9.8m/s2
4.9m/s24.9 m/s^{2}4.9m/s2
3.2m/s23.2 m/s^{2}3.2m/s2
2.5m/s22.5 m/s^{2}2.5m/s2
