The phrase "at a minimum speed of" is correct and usable in written English.
It can be used when specifying the lowest allowable speed for a vehicle, process, or activity.
Example: "The vehicle must maintain at a minimum speed of 60 miles per hour on the highway."
Alternatives: "at least a speed of" or "no less than a speed of".
Lord Carter wants to spend £200m ($330m) to ensure that everyone in Britain has access to the internet at a minimum speed of 2 megabits per second (Mbps) by 2012.In this section Turf wars in black tie Auntie stumbling?
Cars and taxicabs move at a minimum speed of 20 m/s and a maximum speed of 30 m/s, and pedestrians move at 2 m/s.
By 1925, the Portuguese military expected horses to "cover 40 km over uneven terrain at a minimum speed of 10 km/h, and to gallop a flat course of 8 km at a mimimum speed of 800 metres per minute carrying a weight of at least 70 kg", and the Spanish military had similar standards.
The birds were walked at a minimum speed of 0.28 m s−1 and at increments of 0.14 m s−1 up to the maximum that they could sustain for steady readings (>3 min).
For those patients who were unable to perform this test (eg dependence on a walking aid, or being unable to walk at a minimum speed of 2 miles an hour), a submaximal bicycle ergometer (Tunturi E6) and T-WARE ® software (Tunturi Ltd ,Turku, Finland) were used to estimate VO2max.
In comparison, most modern Web sites are designed for a minimum speed of 56Kbps and expect a screen resolution of at least 800x600 pixels in full color.
Optimal connection speed is a minimum speed of 600kbps.
Broadband connections with a minimum speed of 500 kilobytes or faster are recommended for smooth playback.
So a minimum speed of technological progress is supposed.
The UK government's ambition is to provide 95% of the UK with those speeds or higher by 2017, with the rest having a minimum speed of 2Mbps.
Trains using the tunnel must be capable of a minimum speed of.
