Solve the all parts of given question:
Question: Adult cheetahs, the fastest of the great cats, have a mass of about 71kg and have been clocked at up to 70mph (31m/s).
Part A: How many joules of kinetic energy does such a swift cheetah have?
Part B: By what factor would its kinetic energy change if its speed were doubled?
Please explain and show work so I can do it next time!