For those of you whom I had the pleasure of teaching, Chiken Tikka Masala worked pretty well.
i C T M
i i i i
i i i i
i i i i
i i i i
i i i i
i i i i
i i i i hmm, this picture has gone pear shaped, sorry
i i i i
i i i i
i i i i
i i i i
i i i i
i i i i
i i i i
i i
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speed
If you climb or descend at a constant TAS (the line is straight up) then you can see what happens to CAS and or MACH.
If you climb at a constant CAS then make the C line straight up and you the other two lines will slope forwards.
Hope it helps
Steve Francis