The coldest and hottest temperatures ever recorded in the United States are -80°F (211 K) and 134°F (330 K), respectively. What is the speed of sound in air at each temperature? _____m/s at -80°F _____m/s at 134°F

Answer 1

http://hyperphysics.phy-astr.gsu.edu/hbase/sound/souspe.html

Answer 2

The formula to use is
V = sqrt (gamma R T/M)
where gamma = 1.4, R is the gas constant, M is the molar mass of air and T is the absolute temperature. Make sure you use consistent units.