0.015625 ms−10.015625\mathrm{~ms}^{-1}0.015625 ms−1
0.015625 cms−10.015625\ \mathrm{cms}^{-1}0.015625 cms−1
1128 ms−1\frac{1}{128}\mathrm{~ms}^{-1}1281 ms−1
Impossible to calculate from above data\text{Impossible to calculate from above data}Impossible to calculate from above data
None of them\text{ None of them} None of them