Assertion: breaststroke's arm | /r/HasProperty | propulsive
Facets:
Source sentences:
text: The arms will be propulsive while the legs recover and the legs propulsive while the hands recover.
text: The apparent increase in velocity might be possible if you assume that the arm or leg movement is all propulsive force; however, there is drag created during this phase as well, which may offset all or part of the propulsive force.