rollercoasters are really fun
rollercoasters
Rollercoasters
Rollercoasters
No, you're safe on them.
Rollercoasters
Thousands and thousands and thousands............
Yeah. He does. He went on some rollercoasters with Selena Gomez and he was more scared than he was though. haha :) Gotta love Bieber!
The highest g's known on rollercoasters are 4-5 g, on rollercoasters at the likes of six flags.
there are 65 rollercoasters
Rollercoasters and snakes
Rollercoasters sometimes use magnets to launch and accelerate it. Also, they are sometimes used for braking the coaster. Sources: common knowledge (for me) (BTW I'm 11)