Assertion: seam fastball | /r/CapableOf | involve other unique aerodynamics
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Source sentences:
text: There is a common notion that a two-seam fastball involves other unique aerodynamics," said Smith, specifically a claim that the transition from laminar (smooth) flow to turbulent flow (dominated by swirls and eddies) of two-seam fastballs is different than four-seam fastballs.