Output file `accel_pos.csv` contains all zeros when wind direction is not 270.0

[brookeslawski]

Output file accel_pos.csv contains all zeros when wind direction is not 270.0. I know the location at which lift and drag coefficients are calculated adapts to when the wind direction changes (i.e. the array rotates) so it seems like the same handling could be applied to the calculations used to populate accel_pos.csv

accel_pos.csv contents:
#x-pos,y-pos,z-pos
0.0,0.0,0.0
0.0,0.0,0.0
0.0,0.0,0.0
0.0,0.0,0.0
0.0,0.0,0.0
0.0,0.0,0.0
0.0,0.0,0.0
0.0,0.0,0.0
0.0,0.0,0.0
0.0,0.0,0.0
0.0,0.0,0.0
0.0,0.0,0.0
0.0,0.0,0.0
0.0,0.0,0.0
0.0,0.0,0.0
0.0,0.0,0.0
0.0,0.0,0.0
...