speeding up, accelerating
La expansión del universo se está acelerando.
The expansion of the universe is accelerating.
La frecuencia de los sucesos está acelerando.
The frequency of events is accelerating.
"Puede que su cuerpo se esté acelerando""justo antes de fallar."
Your body may be speeding up just before it fails.
— It's Such a Beautiful Day (2012)
The car continued to accelerate.
Recientemente, ha habido señales de que la economía se está acelerando.
Recently, there have been signs that the economy is accelerating.