Thanks, DCB - I couldn't understand what the bsfc lines meant. Perhaps the model could do a first iteration by using 80% throttle when under "speed limit" and the natural rate of deceleration to approach stops until half the velocity has been lost, followed by braking at .25g. Then, on a second iteration, you could try less throttle and brake use, and see how it affects the time to complete the course, and the fuel consumption. On the sections of the course where the gain/loss ratio was better, a next iteration would nudge the variables in the same direction again, until the gas savings seemed not worth the time savings.
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