Outrunning Bullets: Superman and the Science of Speed

Outrunning Bullets: Superman and the Science of Speed — page 3
SECTION 1 WHAT IS SPEED For heroes like Superman speed is essential to staying one step ahead of criminals In the scientific world there’s more to speed than getting somewhere in a hurry But what exactly is speed and how does it affect us every day Speed Essentials To scientists speed is how fast an object is moving It is a measure of the distance traveled in a certain time Although speed is often associated with fastness any moving object has speed A tortoise inching along has speed just not as much as a rocket blasting into space While defining speed is simple perceiving it isn’t always straightforward Superman is famous for traveling faster than a speeding bullet which is about 1,700 miles 2,735 kilometers per hour But right now even standing still you are traveling faster 6