Assertion: bullet | /r/CapableOf | travel on vertical trajectory tumble
Facets:
value: perfectly
type: MANNER
value: on the way
type: LOCATION
Source sentences:
text: They found that while bullets traveling on a perfectly vertical trajectory tumble on the way down, creating turbulence that reduces terminal velocity below that which would kill, it was very difficult to fire a bullet in a near-ideal vertical trajectory.