Assertion: powder | /r/Desires | higher burn rate
Facets:
value: to accelerate the projectile
type: PURPOSE
Source sentences:
text: Powder used for rocketry can use a slower burn rate since it accelerates the projectile for a much longer time—whereas powders for weapons such as flintlocks, cap-locks, or matchlocks need a higher burn rate to accelerate the projectile in a much shorter distance.