Mateo’s 300 \mathrm{~km} trip from Edmonton to Calgary passed through Red Deer. Mateo started in Edmonton at 7 a.m. and drove until stopping for a 40 minute break in Red Deer. Mateo arrived in Calgary at 11 a.m. Not including the break, what was his average speed for the trip?
Answer Choices
A. 83 \mathrm{~km} / \mathrm{h}
B. 94 \mathrm{~km} / \mathrm{h}
C. 90 \mathrm{~km} / \mathrm{h}
D. 95 \mathrm{~km} / \mathrm{h}
E. 64 \mathrm{~km} / \mathrm{h}