he graph indicates the running route for Tobias.

A graph with horizontal axis time (seconds) and vertical axis position in (meters). The line runs in straight segments from 0 seconds 0 meters to 4 seconds 10 meters to 6 seconds 5 meters to 10 seconds 10 meters to 12 seconds 15 meters to 14 seconds 5 meters to 16 seconds 22 meters to to 20 seconds 28 meters.
Which best describes his run?

From time 0 to 6, he went fast and then slowed down.
From time 6 to 10, he was at his slowest.
From time 12 to 14, he went very slow.
From time 14 to 18, he went toward the starting point.