Robin said:
 
That being the case then, wouldn't it make sense, that as our bodies are beginning to 'change' that the molecules would begin to increase in speed gradually until the moment of total change?  The only 'word picture' that comes to my mind is the visual of the men on Star Trek where they are standing in the 'transporter' and getting ready to 'beam up'.  Their molecules began moving faster and faster until they disappeared.
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I just read this again after sending my first response, I noticed this: Your suggestion that we will be changed gradually and pick up speed seems not to agree with the idea of "in a moment, in the twinkling of an eye" That being said, while I believe that our change will be instant, in a moment, yet I do not believe that the rapture as a whole will be over in that same instant. I believe that the whole experience will take longer to happen because of the wise and foolish virgins conversation and the graves opening first and also Jesus is to be seen returning in the same manner that His disciples saw Him go into heaven. He was taken up from them while they watched until a cloud received Him out of their sight. Therefore we should be able to see Him in the sky the same way, possibly before we actually get our own change. The graves will open and the dead in Christ rise possibly before our change. The foolish request oil from the wise possibly before our change. These events require some amount of time to take place. Yet our actual change can happen in a moment in a twinkling of an eye, whenever it happens. Not gradually leading up to a beam up Scotty type thing, that's what I think anyway.
 
Barry Amundsen