To what volume in ml would you have to change 65.0 ml of a gas at 121.4 kPa in order to decrease it pressure to 37.0 if temperature and number of molecules remain constant

Aroller coaster is traveling at 13 mi./s when you purchase a hill that is 400 m long and down the hill exonerate at 4.0 m/s squared what is the final velocity of the posterior found your answer to the nearest number