Update the paragraph to have better consistency:
At a rate of 10,000 sample points per second, low resolution scans can take less than a second. High resolution scans, requiring millions of samples, can take minutes for some time-of-flight scanners.
At a rate of 10,000 sample points per second, low resolution scans can take less than a second, but high resolution scans, requiring millions of samples, can take minutes for some time-of-flight scanners.