speed at end of rheostatic starting period

例句：

1. 1. The car acceleratesto 60 miles per hour onthe highway.
   汽车在高速公路上以每小时60英里的速度加速。
2. 2. Theproject will increase the speedof transportation in the city.
   该项目将提高该市的交通速度。
3. 3.The train's speed is much fasterthan that of the bus.
   火车的速度比公交车快得多。