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>> HELLO, AND WELCOME BACK

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TO SPEEDY TIME.

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TODAY WE'RE GOING TO

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FIGURE OUT HOW YOU GET

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SOME AEROBIC EXERCISE

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ON THE SPACE STATION.

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ONE WAY IS BY RUNNING.

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WE HAVE A SPECIAL TREADMILL.

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FIRST OFF, WE'VE GOT TO

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FIND IT-- WHERE IS IT?

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IT'S ON THE WALL-- HOW COOL!

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WE FIRST GET

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A HEART RATE MONITOR.

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NEXT, WE GET

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OUR SUPER DUPER HARNESS.

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NEXT OFF, WE CONNECT IN

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TO THE T2 ITSELF.

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THESE ARE VERY IMPORTANT

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BECAUSE THEY SIMULATE LOAD

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THAT WE WOULD HAVE ON EARTH,

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AND THEY PULL US TO

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THE TREADMILL.

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OTHERWISE, WE'D JUST

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FLOAT OFF.

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WE MAKE SURE THAT

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IT'S CALIBRATED, AND WE START.

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A LIGHT JOG.

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A LITTLE HIGHER PACE.

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WE EVEN HAVE A MODE

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CALLED PASSIVE--

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YOU PUSH IT YOURSELF.

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AND THEN THE COOLEST PART

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OF THE WHOLE THING IS

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AT THE END OF YOUR WORKOUT,

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IT GIVES YOU THE MILES

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TRAVELED-- NOT JUST

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THE MILES RAN.

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SO, USING THE SPEED OF

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THE SPACE STATION--

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17,500 MILES AN HOUR--

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YOU CAN GO, LIKE,