event time altitude speed density (s) (m) (m/s) (kg/m³) Launch 0 0 0 1.225 Mach 1 40 5386 306 0.705857 1 min 63 12656 474 0.280282 Mach 2 74 17285 614 0.135079 Mach 3 92 26754 915 0.029912 Mach 4 110 37904 1234 0.005262 2 min 120 44489 1318 0.002021 SRB Separation 123 46314 1326 0.001568 Mach 5 159 66528 1528 0.000121 3 min 180 76413 1683 0.000028 Mach 6 198 83743 1834 0.000008