boogabooga
Bug Crusher
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Interesting that the fairing sep is < 120km of alt. At 107.5, there's still a small amount of atmo drag. At least when I think of the dynamic pressure coming alive on re-entry, it would be going through 120km.
Crossing 100 km going up, the velocity of a whole stage (or two) is yet to be added. Things tend to be much slower going up than when they cross that altitude coming down. Hence, much less dynamic pressure.