people had to run fast because the SS would kill them if they couldn't keep up with the group that was running. zalman had stopped because he got a stomach ache while trying to run and keep up. eliezer warns his dad to not sleep because it is to dangerous for him to sleep because they are killing people.
the prisoners are crammed in the cattle car for the night. the next morning the SS officers come and tell them to toss the dead bodies out the cattle car. they resume their journey no food just snow that their walking through.
chapter 8 was about that the jews had got be to free and they been waiting for the time so they can be free. Elie father has now died because he was sick so elie said it didnt not worry him after a while without him.