His heart accelerated as he heard footsteps approach the door.

Julia felt her heart accelerate at the fleeting expression in his dark eyes.

She started, her heart missed a beat, changed up a gear and accelerated.

Just seeing a person with such a close resemblance to Pendergast made her heart accelerate.

Kate felt her heart accelerate and frowned at the response.

Her heart accelerated when he stepped from his car.

He got to the last item, a plain white envelope, and then his heart accelerated in spite of himself.

My heart accelerated like a teenage driver with a lead foot chasing after a pretty girl.

Her heart accelerated without any direct intervention, pounding like an animal in a sinking cage.

It's not one that will make your heart accelerate.