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Picture an analog clock and it can be 0.008 hours/hour... about one percent of an hourhand's movement.

measuring degrees doesn't seem useful anyways, because it is not the rotating speed that is impressive but the speed against the ground at the outer edge.

It gets worse when you call it 14.4 (arc) minutes per hour.

Ignoring the ‘arc’, that’s dimensionless. You could just call it “0.24” ;-)

I guess it depends on how you do the ignoring. "minutes" by itself usually means "minutes of hour", but I would argue that if you take "minutes of arc" and ignore the "arc" the better answer is "minutes of ____"