Here's an ASCAT wind plot generated from a Metop-B overpass at 0629 UTC on 23 November. We see that the Polarstern is between the two swaths at this time.
What wind speed and direction did the scatterometer detect at the position indicated by the red circle?
ASCAT shows westerly winds of 35kt.
What duration do these scatterometer winds represent?
Scatterometer ocean surface winds are averaged over a large area of around 25 km. This equates to averaging over an hour in time.