Which object has the greatest kinetic energy

A green car with a mass of 500 KG moving at 21MS

A red car mass at 500 KG moving at 3MS

A yellow car with a mass of 500 KG moving at 12 MS

A blue car with a mass of 500 KG moving at 30 MS

The object with the greatest kinetic energy is the blue car with a mass of 500 KG moving at 30 MS.