Speed of Transmission in a Motor Neurone

Hi, does anyone know why the speed of transmission in a motor neurone would be increased by a long axon? It seems to me like it should be the opposite because the ions must travel farther. Thanks in advance!

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This question has been addressed before in one of the posts so, i will just put it forward.
I used to think the same but this is the correct explanation: The longer the axon, the faster the transmission we can imagine it like a waterfall, if the top of waterfall is higher the water will have a much quicker velocity with the help of acceleration.
so, a longer axon will help increase the speed of transmission.
Hope it helps:)


Thank you very much!!!