I'm not an expert and other may have better comments than me but it looks like to me you raise your ball at the start of the approach which is making you late in the swing and causing your foot to plant at the end you can almost see your hip flexing inward as you release.
I would suggest starting with the ball up slightly higher and let it move forward but not up as you start this should help correct your timing. Try adding some knee bend and between the two it should help the problems your having.
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