revert 36e1c468 to test effect of increaseFactor

when increaseFactor is set normally, the first ~10mins of data are
assigned null trips. Lowering increaseFactor to 1 (as the old commit
36e1c468 did) allows even the first few points to get assigned trips,
but is probably not the best at assigning trips overall. This commit
reverts the earlier change for testing success rate on a longer
sequence.