Assertion: roller coaster | /r/HasProperty | designed
Facets:
Source sentences:
text: To learn more about how roller coasters are designed and built, visit the Arrow Dynamics website.
text: Most roller coasters rely totally on gravity for acceleration, they are designed so that they accelerate downhill in order to make it to the next peak of a vertical curve, to start the acceleration again, this is repeated over a number of times until the end.