An interesting article about a newly revealed study by the USAF that declares that in the case of an explosion of the Ares launch vehicle between 30 to 60 seconds in flight, the crew would certainly be killed.
"The capsule will not survive an abort [in the first minute] .|.|. as the capsule is engulfed until water-impact by solid propellant fragments radiating heat from 4,000F toward the nylon parachute material (with a melt-temperature of [about] 400F)," said the 25-page report.