Submitted by egordoniv t3_ztnoml in mildlyinteresting
hearnia_2k t1_j1evs25 wrote
Reply to comment by JackieMcFucknuckles in Speedometer of a newer Mustang reads "Ground Speed" by egordoniv
But calling it ground speed is not exactly right either.... GPS speed in a straight line should be pretty accurate. Most systems use more accurate positioning satellites than GPS in addition, and they all offer altitude so that can easily be factored in.
Ground speed could be off if the car is drifting for example, since the wheels will be rotating at different speeds.
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