Here's why:

* Frequency is the number of wave cycles that pass a point in a given amount of time. It's determined by the source of the wave.

* Speed is how fast the wave travels through a medium. It's determined by the properties of the medium itself.

Relationship between Frequency, Speed, and Wavelength:

The key relationship is:

* Speed = Frequency x Wavelength

This means:

* Higher frequency means shorter wavelength for a wave traveling at a constant speed.

* Higher speed means longer wavelength for a wave with a constant frequency.

Example:

Imagine two waves traveling through the same medium (like water). If one wave has a higher frequency, it will have a shorter wavelength, but its speed will be the same as the wave with a lower frequency.

Therefore, a higher frequency does not necessarily mean a faster speed.