Complex sentence: Later that day, Fred changed forward speeds, faster than before, its eye completely disappeared from infrared satellite imagery around 7 pm AST on September 9 (2300 UTC on September 09) and it weakened into a category 2 hurricane.
Split into simpler sentences: Later that day, Fred changed forward speeds, faster than before. Its eye was completely dissipeared from infrared satellite imagery around 7 pm AST on September 9 (2300 UTC on September 09) and it weakened into a category 2 hurricane.