which statement correctly interprets the slope?

the time on the tightrope goes up about 9 minutes for every 5 people.

the time on the tightrope goes up about 5 minutes for every 9 minutes

the time on the tightrope goes up by 2 people per minute.

the time on the tightrope goes up about 1 minute for every 1 person.

The time on the tightrope goes up about 9 minutes for every 5 people.