2.5 AIR PRESSURE AT THE START OF PLAY
65.71-68.75 kilopascals, or 0.67-0.70 kilograms per square centimetre, or 9.5-10.0 lbs per square inch.
65.71-68.75 kilopascals, or 0.67-0.70 kilograms per square centimetre, or 9.5-10.0 lbs per square inch.