datetime: 09-Feb-2024 17:33:57
does the thing below matter: 1
1 2.000625e-01 1.389375e-01
9.800000e-02 1 2.370000e-01
6.843750e-02 2.500000e-01 1

mean velocity (unclean): NaN 
mean velocity (clean): 1.710607e+02