Two freight trains are delivering cargo. One freight train is delivering coal, and the other freight train is delivering grain. Their respective distances traveled after x hours is represented in the table and graph below. Coal Freight Train Time (Hours) Distance Traveled (Miles) 1 47 2 94 3 141 4 188 Which freight train is traveling at a faster speed? A. There is not enough information to determine the speed of the trains. B. The coal freight train is traveling at a faster speed. C. The grain freight train is traveling at a faster speed. D. Both freight trains are traveling at the same speed.