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(footsteps thudding)
- [Man] That's 2.5.
- [Scientist] Go for three.
That's as fast as it can go.
- [Man] That's three.
(footsteps thudding)
(gravel crunching)
(footsteps thudding)
(wood clattering)
(footsteps thudding)
- [Man] One, two, three.