Aria is riding her bike. She is bent slightly over, holding onto her handlebars. She wants to go faster. Which best explains what she should do?

A) She should bend her hips so her head is closer to the handlebars.

B) She should sit straight up on the bike, keeping her arms tight to her body.

C) She should spread her arms wide while sitting straight in her seat.

D) She should flap her arms up and down like a bird.