The unusual name of this sport comes from the fact that a thrown disc can reach speeds of up to 50 miles per hour—and a team member certainly needs guts (courage) to reach out and catch it with his or her bare hand!

how does the author's word choice in this sentence affect the tone of the paragraph?
a.
the sentence makes the toneless formal.
b.
the sentence makes the toneless factual.
c.
the sentence makes the tone more informative.
d.
the sentence makes the tone more objective.