Descent Speed Chart

The Pegasus II descent phase is that point in the mission where you have to put your faith in your team’s work and just let it happen.  There is nothing you can do. Just watch and wait for the life saving Main Parachute Deployment (MPD).  It is hard to get a feel for this because it all happens in the remote and hostile environment of the upper atmosphere.  Below is the graph of the descent speed in fps and mph, which show you how fast the craft is falling on it 2 foot drogue parachute.  It takes about 11 minutes to get from 100,000 to 12,000 feet on the drogue.  Once MPD occurs at 12,000 feet,  it takes about 7 more minutes to land safely at our 5,000 foot surface level altitude in Cheyenne, WY.

DescendSpeed

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