Assertion: roller coaster's energy | /r/CapableOf | travel the course
Facets:
value: completely
type: DEGREE
value: after descending from its highest point
type: TEMPORAL
Source sentences:
text: If a continuous-circuit roller coaster does not have enough kinetic energy to completely travel the course after descending from its highest point (as can happen with high winds or increased friction), the train can valley: that is, roll backwards and forwards along the track, until all kinetic energy has been released.