accelerate
/əkˈseləreɪt; ək`sɛləˌret/ v
1 [Tn] make (sth) move faster or happen earlier; increase the speed of 使（某事物）加快; 促进（某事物）; 加速
accelerating the rate of growth 提高生长率.
2 [I] move or happen more quickly 加速; 加快
The car accelerated as it overtook me. 那辆汽车一加速就超越了我. Cf 参看 decelerate.