That’s 8 key chains at 280 seconds. Which is 4.6 minutes
Is there a picture to go with the question?
The most ethical action the football player could take is to report the hazard. He would be tempted by his desire to succeed/win the playoff, as it is an important game. If I was the football player, I would report the hazard because if I didn’t, someone could get hurt or my team could be punished/forced to forfeit.