The speed of sound in warm moist air is about 340 m/s. If you tuned your flute to play there, how would it do in cold dry air where the speed is 330 m/s? Pick those that apply. Frequencies increase by 3% when the temperature is lowered Frequencies decrease by 3% when the temperature is lowered A tuning to A440 at the warmer temperature will drop by about 13 Hz at the cooler temperature. A tuning to A440 at the warmer temperature will increase by about 13 Hz at the cooler temperature