Assertion: skateboarder's skateboard | /r/CapableOf | become unstable
Facets:
value: at a certain speed
type: MANNER
Source sentences:
text: Speed wobble : At a certain speed the skateboard can become unstable, showing an oscillatory behavior that can lead to loss of control.
text: : At a certain speed the skateboard can become unstable, showing an oscillatory behavior that can lead to loss of control.