[lepton]

Underinflated balls travel farther due to less resistance, (surface area per weight.)

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Everyone else’s testing showed balls deflated by 2 PSI travelled trivially (such as Sports Sciences result of 1-2” for a 20 yd throw at 50 mph) less far due to less weight (about 1.5 gram) increasing the relative effect of wind resistance.

[D Rider]

Frankly, if it was a whole lot than that, it would make it difficult to throw with consistency. My post was just a list of the impacts and on the topic of the original article.