How Fast?

The video explores the concept of speed, starting with the basics of calculating speed using distance and time. It explains the speed of sound, including how it varies with temperature and how supersonic speeds work. The video then compares the speed of light to sound, illustrating why lightning is seen before thunder is heard. Everyday speeds, such as walking, running, and wind, are discussed, highlighting their differences from the speeds of sound and light. The video concludes by summarizing the various speeds covered.

What new insight or understanding did you gain from this video?