1. The writing background of "What is Faster than a Cheetah" is that Robert E. Wells has always insisted on creating children's paintings, and his daily work includes logo painting, greeting card design and cartoon creation. Robert e wells let children know the vastness of the universe through the brush. Robert E. Wells kept creating in his studio, and picture books such as Fantasy Science were born.

2. The main content of "What is Faster than Cheetah" introduces peregrine falcons, sounds, jets, rockets, meteoroids, light and other things that are faster than cheetahs, showing a wonderful scientific world. This paper introduces us to things that are faster than cheetahs, from animals to airplanes, rockets, meteoroids to light, which are faster than each other. Finally, scientists concluded that the speed of light was the fastest.