Understanding Speed Answers

The Shinkansen, the fastest train in Japan, traveled 75 kilometers in 0.25 hours. What was its speed in kilometers per hour?

A starfish’s top speed is approximately 161 centimeters per minute. What is this speed to the nearest centimeter per second?

A swimmer swam the 50-meter freestyle in a time of 21 seconds. What was his speed to the nearest tenth of a meter per second?

Alex determined that his average speed when he commuted to work is 35 miles per hour. What conversion factor can be used to convert this speed to feet per hour?

A NASA spacecraft once landed on the surface of the asteroid named 433 Eros.This asteroid is near Earth and has an average orbital speed of 24.36 kilometers per second. What is its speed in meters per second?

Small earthworms travel at speeds of about 0.2 centimeters per second. What is this speed in meters per second?

A running relay team ran a 400 meter race in a record-setting time of 36 seconds. What was their average speed to the nearest tenth of a meter per second?

Jamaal ran 6 miles in 30 minutes. Which expression shows how to correctly determine his speed in miles per minute?

Sarah the cheetah ran 100 meters at a speed of 16.8 meters per second. An olympian ran the 100-meter dash in 9.6 seconds. How much faster was Sarah the cheetah’s speed, to the nearest tenth of a meter per second?

The snail moved 6 inches in 120 minutes. What was the average speed of the snail in inches per minute?

According to his GPS, it will take Lanny 1 hour to travel 40 miles. Which expression shows how to determine the speed in miles per hour?

The rocket that carried the Curiosity Rover to Mars traveled at a speed of 21,000 miles per hour. What is this speed to the nearest mile per second?

Amir ran the first 200-meter leg of the relay race with a speed of 8,260 millimeters per second. Ryder ran the last 200-meter leg with an average speed of 930 centimeters per second. Who ran the race faster, and how much faster was that person’s speed to the nearest meter per second?

The fastest that a seahorse can travel is 2,640 feet per hour. What is its top speed in miles per hour?

Ilana ran 2 laps around the field in 8 minutes. What was her average speed, in laps per minute?

An olympian swam the 200-meter freestyle at a speed of 1.8 meters per second. An olympic runner ran the 200-meter dash in 21.3 seconds. How much faster was the runner’s speed than the swimmer’s speed to the nearest tenth of a meter per second?