Two sound waves are traveling through air, and wave x has a wavelength of 3. 0 meters and wave y has a wavelength of 1. 5 meters. how does wave x's speed compare to wave y's speed? a. wave x's speed is two times greater than wave y's speed. b. wave x's speed is two times less than wave y's speed. c. wave x is traveling the same speed as wave y. d. the speed of the waves is impossible to compare without more data