Zane is a dangerous fellow who likes to go rock climbing in active volcanoes. One time while inside a volcano, he heard some rumbling, so he decided to climb up out of there as quickly as he could. He climbed up at a rate of 4 meters per second. After 3 seconds, he was 13 meters below the edge of the volcano.

How far was Zane below the edge of the volcano when he started climbing?

In total, how long did it take Zane to reach the edge of the volcano?