The ion propulsion system on Deep Space One carries about 81.5 kilograms of xenon propellant, and it takes about 20 months of thrusting to use it all. It increases the speed of the spacecraft by about 4.5 kilometers per second, or about 10,000 miles per hour. If we had the same amount of chemical propellant, it would provide only one tenth as much velocity increment. If Deep Space One carried a larger solar array, it certainly would have a slightly higher acceleration, and if it carried more Xenon propellant it could reach a much higher final velocity by simply thrusting longer. But Deep Space One is testing ion propulsion solely to find out if it works as well as predicted. Future missions that use it likely will carry more propellant to achieve still higher speeds.'"Karl switched slides several more times as his Program partner pointed out other interesting points about Deep Space One's mission."To conclude this presentation, I will reveal one thing to confirm that this is all not. When they finished the men cleared away the trays. Kathy whispered to Tracey,’ follow my lead.’ Tracey nodded. The men returned and sat by their women. The conversation was light and friendly. Kathy began to caress Toms cock. Tracey followed her lead. The men looked at each other and smiled. Kathy looked at Tracey and smiled. Kathy got on her knees between Toms legs and began to lick his cock. Tracey followed her lead and did the same to Kevin. The men looked at each other and leaned back and smiled. Tom stopped Kathy and said, ‘How about we give you ladies a massage?’ Kathy squealed with delight and ran to get some massage oils and lotions. The men straddled their ladies’ backs and began to knead the ladies shoulders then down their backs. Kevin got up and moved down to massage Tracey’s feet and her lower legs slowly moving up to her thighs. When he straddled her legs again, she could feel his hard on. Kevin leaned over and kissed her ear and asked her to turn over. She rolled unto.
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