YOU SAID:

I found that the race car was driving backwards

INTO JAPANESE

レース車が後方に走っていたことを見つけた

BACK INTO ENGLISH

I found that ran behind the race car

INTO JAPANESE

レース車の後ろに走ったことを見つけた

BACK INTO ENGLISH

I found that ran into the back of the race car

INTO JAPANESE

レース車の後ろに走ったことを見つけた

BACK INTO ENGLISH

I found that ran into the back of the race car