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Kurt Savage said...
Maybe try the test with the kite pumped up properly!
You are looking at a kite impacting the ground at very high speed in super slow motion, which does give it the appearance of being underinflated, however, take note of how quickly the kite springs back into shape. That says to me it is properly inflated.
Personally I would have tethered the chicken loop to something completely solid and just used a person to steer the kite straight into the deck, that would have given the maximum impact speed and force possible.
The fact that a person was used means that at the point of maximum acceleration and pull, the kiter is being dragged towards the kite, and thereby reducing the impact force quite a bit.