r/R   c/R     beta
0.15  0.3349  24.366
0.20  0.3395  23.864
0.25  0.3386  23.441
0.30  0.3327  23.088
0.35  0.3265  22.650
0.40  0.3186  22.339
0.45  0.3107  22.129
0.50  0.3029  21.731
0.55  0.2935  21.410
0.60  0.2835  21.016
0.65  0.2735  20.665
0.70  0.2641  20.454
0.75  0.2551  20.187
0.80  0.2464  19.936
0.85  0.2340  19.773
0.90  0.2099  19.844
0.95  0.1551  19.920
1.00  0.0224  19.007