Answer: 100 miles per hour
Today, tubular steel tracks and polyurethane wheels allow coasters to travel over 100 miles per hour (160 km/h), while even taller, faster, and more complex roller coasters continue to be built. Hopefully i helped
Explanation:
Air pressure decreases with altitude
hope that helps you!
Answer: A.) Regulations at a local level.
I think it's the letter Did (this has to be 20 characters long) it would be Different or would be D
