The phrase "an extremely high speed" is correct and usable in written English.
It can be used when describing something that is moving or operating at a very fast rate.
Example: "The car zoomed past us at an extremely high speed, leaving us in awe of its power."
Alternatives: "a very fast speed" or "a remarkably high speed."
One involved a man driving north on Interstate 95 at an extremely high speed.
These facts demonstrate that the goblin shark projects its jaws toward the prey at an extremely high speed (maximally 3.14 m/s).
Linear Accelerator Center described a technique for accelerating electrons in the wake of an electron beam moving at an extremely high speed through an ionized gas.
Moreover, the speed of this function was measured at the time resolution of a 10 ms by in situ energy dispersive XAFS, and it is proved that the self-regenerative function occurs at an extremely high speed.
The HoloLens employs a Holographic Processing Unit (HPU made of custom silicon that processes data coming from sensors at an extremely high speed.
"If you think about it like we're driving a car, we want to go extremely fast at an extremely high speed, and go very far," Conrad said.
Xerox introduced many products last year, including an extremely high-speed color printer that analysts say has been well received by customers.
We show that (110) cleavage neither involves cleavage plane deflection nor crack branching, even in an extremely high-speed fracture process (3700 m/s).
The vBNS, in existence since 1995, relies on an extremely high-speed switching system known as Asynchronous Transfer Mode (ATM), which is thought to be suitable for real-time needs of video transmission.
The cells are labeled according to the ordinary protocol, but should be imaged with PALM system with an extremely high-speed camera (such as sCMOS) to avoid artifacts from the high speed of diffusion of the dyes.
This consisted of a recessed metal cone placed into an explosive warhead; when the warhead hit its target, the explosive detonated and turned the cone into an extremely high-speed spike.
