R is a constant. The below table shows calculations for ideal gas law and estimates expected ball pressure at half-time, assuming balls are measured at 48°F. New England Data The Patriot pre-game ...

For the conditions of the 2015 AFC Championship Game, using Gay-Lussac’s law we can compute that the Patriots’ footballs should have had an on-field pressure of 11.32 psig, or pounds-per ...