t /ms R /m 0.1 11.1 0.24 19.9 0.38 25.4 0.52 28.8 0.66 31.9 0.80 34.2 0.94 36.3 1.08 38.9 1.22 41.0 1.36 42.8 1.50 44.4 1.65 46.0 1.79 46.9 1.93 48.7 3.26 59.0 3.53 61.1 3.80 62.9 4.07 64.3 4.34 65.6 4.61 67.3 15.0 106.5 25.0 130.0 34.0 145.0 53.0 175.0 62.0 185.0