Detailed Instructions: In this task, given a sentence in the Chinese language, your task is to convert it into the English language.
Q: 事故发生的时间大约是格林威治时间20：55，当时正以接近100英里时速行驶的220/221次列车撞上了停在轨道上的这辆汽车。
A:
The accident took place at approximately 20:55 GMT when the Class 220/221 train, travelling at close to 100mph, hit the car which was on the tracks.