Originally Posted by
Brakerider
Melbourne is a great example. Min speed to achieve a time at the feeder fix, only to be asked to fly max speed to the field

Why do you think the sequence is absolutely set in concrete? It's a dynamic environment - pilots and controllers screw the pooch, medical traffic into Essendon is slower than expected or downgrades priority, someone requires a speed reduction, conditions change allowing reduced spacing, number 1 in the sequence is able to accept track shortening opening the sequence up,........