RE: More arrow speed drivel... Trajectory chart
Art: Roskoe and I answered that question before you asked it (pg. 1) - and no, it didn't, so that would yield longer flight times and make the drop numbers a shade higher than what's listed. Debatable, the impact on the results.
Conversely, the numbers do not account for the actual sight line vs. the actual trajectory path. That would distort the actual trajectory somewhat, and probably decrease the drop numbers by a hair.