How to Use "sped" with Example Sentences

1. The number two and three browser vendors have all sped up their development cycles .
2. I couldn 't remember if the tub slowed things down or sped them up .
3. Many businesses shut operations during the holiday , and historically mills have sped up production ahead of it .
4. She sped up , because she wanted to walk alongside the boy .
5. Hundreds of rebels in cars and trucks mounted with machine guns sped eastward .