as Arnold showed that it was when the holes were negligibly small—as the latter are when the drop falls through a liquid—should be of the form

If we were in complete ignorance of the form of the function

we could still express it in terms of a series of undetermined constants

, etc., thus

and so long as the departures from Stokes’s Law were small as [Fig. 4] showed them to be for most of our drops, we could neglect the second-order terms in