Which situation best represents the relationship between x and y presented in the graph?

Ally made 15 pancakes at a rate of 6 pancakes per
minute.

An elevator starts on floor 6 and ascends at a rate of
1 floor per second.

Andrew has $6 to spend at the arcade. He spends $1
per game he plays.

O 1 inch of rain falls every hour for 6 hours.