In addition to the direction change with height, there is also a change in speed. Figure 11B-2 shows New Orleans' reported wind with two long feathers, while in Figure 11B-3, it shows winds aloft with one flag and four long feathers. Just east of the surface cold front, New Orleans had an increase in wind speed by about ______ kts from the surface to 300 mb. a.25 b.40 c.70 d.110