I think the lowest you can get it is 2 hundreths of a second per frame
Rebel biscuit stercore sumus et nos esse novimus,
Sat 13 Aug 2011, 12:47,
archived)
That seems to be the case here--.02 gives me the speed you got.
(
LS18,
Sat 13 Aug 2011, 13:02,
archived)