Assertion: roller coaster's speed | /r/HasProperty | high
Facets:
Source sentences:
text: The roller coasters had high speeds, and guide rails were used to keep them on course.
text: A rollback occurs when a roller coaster has failed to reach a high enough speed to clear a hill, loop, or other vertical element.
text: A tight radius at the top where the speed is low, and a large radius at the bottom where the speed is high.
text: Centripetal acceleration occurs mainly when the roller coaster is traveling at high speed around a loop, as illustrated in the figure below.
text: If the speed of the coaster is too high when it goes over the crest of a hill, what happens?
text: A tight radius at the top where the speed is low, and a large radius at the bottom where the speed is high.
text: You want the speed to be high, but not too high and the same goes for the forces on the passengers.