Assertion: rocket | /r/HasProperty | inefficient
Facets:
value: for at least two unavoidable reasons
type: CAUSE
value: extremely
type: DEGREE
Source sentences:
text: During the first few seconds after liftoff, a rocket is extremely inefficient, for at least two unavoidable reasons: High power consumption is required to overcome the inertia of the nearly motionless mass of the fully fueled rocket; and in the lower atmosphere, power is wasted overcoming air resistance.