Diego is flying from Philadelphia to Barcelona. On the trip to Barcelona, the plane flies at a constant cruising speed of 550\,\text{mph}550mph550, start text, m, p, h, end text. On the trip home, Diego makes a chart of the plane's progress once it reaches its cruising speed, which is constant.
Which is faster, the cruising speed on the flight from Philadelphia to Barcelona, or the cruising speed on the flight home?
Hour 111 222 333
Miles 530530530 106010601060 159015901590
Choose 1
Choose 1

(Choice A)
A
The cruising speed on the flight from Philadelphia to Barcelona

(Choice B)
B
The cruising speed on the flight home

(Choice C)
C
The two cruising speeds are the same.
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