Final answer:
A penalized skater is no longer considered on the track once they have left the track boundary to sit in the penalty box, as per the rules of sports like roller derby.
Step-by-step explanation:
A penalized Skater is considered no longer on the track when they have physically left the track boundary to sit in the penalty box. In sports like roller derby, penalties are a significant aspect of the game rules. A skater who is given a penalty must quickly exit the track to serve their time in the penalty box. They are not considered part of the on-track play until their penalty time has elapsed and the officials have allowed them to re-enter the track.