4.9 m/s24.9 \mathrm{~m} / \mathrm{s}^{2}4.9 m/s2
2.5 m/s22.5 \mathrm{~m} / \mathrm{s}^{2}2.5 m/s2
1.9 m/s21.9 \mathrm{~m} / \mathrm{s}^{2}1.9 m/s2
1.1 m/s21.1 \mathrm{~m} / \mathrm{s}^{2}1.1 m/s2