(02.09 MC) A speed-time graph is shown below: A Speed versus Time graph is shown with y-axis labeled position in centimeters per second up to 2 and x-axis labeled time in seconds up to 8. A horizontal line connects the points 0, 1 and 4, 1. A vertical line connects points 4, 1 and 4, 0. A horizontal line connects points 4, 0 and 8, 0. How far did the object travel by the end of eight seconds, according to the graph above? It traveled 4 centimeters. It traveled 8 centimeters. It traveled 12 centimeters. It traveled 20 centimeters.