Simplify the following text for a Grade 4 native English-speaking person.
Original: This forced some of the drivers behind him to go off the track , including the cars of RÃ ikkÃ nen and Heikki Kovalainen , for which Hamilton was given a drive-through penalty .
Simplified: This forced some of the drivers behind him to go off the track . Hamilton was given a drive-through penalty for his actions .