Originally Posted by Iceni John
. . . Climbing the one mile at 30 MPH takes, wait for it, 2 minutes. Therefore, you have no time left to get down the far side to complete the whole trip at an average of 60 MPH. . . .
There is, as you clearly stated, zero time left to complete the downhill portion of the trip. What is required in order to complete the task successfully is a portal into a wormhole in the time/space continuum at the top of the hill, into which the bus plunges, arriving sanguinely at the assigned destination at the exact moment it had reached the hilltop.
Maybe it's the old Indiana Jones sequel we watched this weekend talking, not me . . . . .