Speed not accurate and no draft

Hi
I rode stage 2 of the tour de zwift this morning. Average power was 250watts. Last time I rid the stage power av was 200watts. Speed difference between the 2 rides is only 0.5km/h faster today. I’m about 3kg heavier today than the first ride but surely I should have been quicker? What could cause this? Poor Internet connection?
Also every power up I get is 10xp and I don’t seem to be getting any draft as far as I can tell amd it never tells me the distance behind the pack or to catch up etc like it used too. Are all these things a glitch and related? How do I correct them?
Thanks

You are using a TT bike, no draft benefit and only xp bonus for power ups.

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OK thanks didn’t know that. So take off the draft and that would explain the speed too?

This may help you understand it a little better: https://forums.zwift.com/t/how-does-zwift-determine-my-speed/

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Yes…

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