Talk:Ruby Rose/@comment-35185827-20181221130439/@comment-4010415-20181222233418

Because to accelerate is to speed up? That's literally what you're doing when you accelerate something - you're speeding it up.

accelerate

[ak-sel-uh-reyt]

verb (used with object), ac·cel·er·at·ed, ac·cel·er·at·ing.

1. to cause faster or greater activity, development, progress, advancement, etc.

2. to hasten the occurrence of

3. Mechanics. to change the velocity of (a body) or the rate of (motion); cause to undergo acceleration.

In Ruby's case, it's #3.