加速者

例句：

1. 1. The car accelerated to 60 miles per hour on the straightaway.
   汽车在直道上以每小时60英里的速度加速。
2. 2.The team accelerated their training schedule to prepare for the upcoming competition.
   团队加快了训练计划，为即将到来的比赛做准备。
3. 3.The project's progress was accelerating as we worked towards completion.
   随着我们共同努力完成项目，进度正在加快。