nm/ps^2 is not extremely high. 1e-14 is extremely low. You will not see any effect with such a low value, as this lead to forces that are are a factor 10^16 smaller than the typical forces between atoms.
nm/ps^2 is not extremely high. 1e-14 is extremely low. You will not see any effect with such a low value, as this lead to forces that are are a factor 10^16 smaller than the typical forces between atoms.