(figuratively, of rumours) to be flying around, to be rife

(literary) at full speed, at full throttle, hell-for-leather

skidmark (long black mark left on a road surface from the sliding or skidding tires of a motor vehicle that has lost traction) / skidmark (visible feces stain left on underpants)

(driving, informal) to tailgate [+ de (someone)] / (informal) to follow (someone) everywhere, to breathe down someone's neck, to stay close to (someone) all the time, to stick to (someone) like glue, like a leech, to dog (someone's) footsteps [+ de (someone)]

(figuratively) to jump on the bandwagon

snail's pace, stately pace, solemn gait

steam train

(informal, figuratively) to be slow to catch on, to lag behind

landing gear

(informal, figuratively) to be in a hurry