The Collaborative International Dictionary of English v.0.48:

Speed \Speed\ (sp[=e]d), v. i. [imp. & p. p. Sped (sp[e^]d),
   Speeded; p. pr. & vb. n. Speeding.] [AS. sp[=e]dan, fr.
   sp[=e]d, n.; akin to D. spoeden, G. sich sputen. See Speed,
   n.]
   1. To go; to fare. [Obs.]
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            To warn him now he is too farre sped. --Remedy of
                                                  Love.
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   2. To experience in going; to have any condition, good or
      ill; to fare. --Shak.
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            Ships heretofore in seas like fishes sped;
            The mightiest still upon the smallest fed. --Waller.
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   3. To fare well; to have success; to prosper.
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            Save London, and send true lawyers their meed!
            For whoso wants money with them shall not speed!
                                                  --Lydgate.
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            I told ye then he should prevail, and speed
            On his bad errand.                    --Milton.
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   4. To make haste; to move with celerity.
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            I have speeded hither with the very extremest inch
            of possibility.                       --Shak.
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   5. To be expedient. [Obs.] --Wyclif (2 Cor. xii. 1.)
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WordNet (r) 3.0 (2006):

speeding
    n 1: changing location rapidly [syn: speed, speeding,
         hurrying]