The F-22 was not designed to fly and intercept aircraft in excess of 60k.
how do you know that? there are many secrets with this airplane. info. has been dribbling out of Tyndal and other AFB's that seem to indicate the opposite.
for example, a test pilot remarked, "because of the altitude and speed capability, the F-22 can drop munitions at vary long distances from target. Much longer than any platform in the world."
he's refering to jdam's ...and if you drop'em from 80k at mach 2 or higher, then you can make them reach much further.
also, another test pilot remarked that, "Many people think the thrust vectoring gives the F-22 better manuvering capability and therefore can dogfight better. However, in fact the thrust vectoring is used to maintain control authority at very high altitudes."