As a wave travels from one spring to another spring with a different mass, its wavelength decreases by 25%. Which statement describes the change in the speed of the wave?
a. The speed decreases by 25% because speed and wavelength are inversely proportional.
b. The speed increases by 25% because speed and wavelength are inversely proportional.
c. The speed increases by 25% because speed and wavelength are directly proportional.
d. The speed decreases by 25% because speed and wavelength are directly proportional.
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