The phrase "a slower than expected" is correct and usable in written English.
It can be used to describe a situation where something is taking more time than anticipated.
Example: "The project is progressing at a slower than expected pace, causing delays in the timeline."
Alternatives: "a slower than anticipated" or "a slower than usual".
SpaceX's founder, Elon Musk, in a tweet to his two million followers, attributed the accident to a "slower than expected throttle valve response".
"Although broad macroeconomic challenges persist, we expect the mainland Chinese economy to accelerate after a slower than expected start to the year.
Paul Smee, the director general of the CML, said: "After a slower than expected start to the year, lending now appears to be picking up as we expected, and in line with our recently revised forecasts".
Warren C. Jenson, the company's chief financial officer, said in the call that the loss was a result of higher than anticipated marketing costs, a slower than expected increase in purchasers and subscribers and other factors.
The headline figures showed an 11% increase in half year revenues to £108.5m and a 6% rise in profits to £27.3m, but within that, its enterprise solutions division showed a slower than expected 5% revenue rise.
"European cable was a very hyped area in the mid 1990's," Mr. Harrigan said, "but too much debt and a slower than expected demand for digital services has hampered growth".
Shares of the Unisys Corporation fell yesterday after the company, a computer services concern, said its first-quarter revenue would come in lower than a year earlier because of a slower-than-expected recovery in sales after the Year 2000 transition.
And third, our Power Mac G4 Cube is off to a slower-than-expected start, resulting in revenues below expectations".
FedEx executives said the first-quarter estimate reflected a slower-than-expected rebound in the technology and manufacturing sectors.
Box-office success is hard to predict, and a slower-than-expected reduction in screens would jeopardize the industry's recovery.
Andy D. Bryant, Intel's chief financial officer, cited several factors, including a slower-than-expected transition among consumers to next-generation phones.
