Safety & Rules: Departure speed loss question?

[Aviador]

I just watched the Wizz LBA-OTP depart on FR24. I know FR24 has some anomalies but I thought this was interesting. I watched the aircraft speed up as it rolled down the runway. At the point where it was approaching its takeoff speed it appeared to rapidly lose speed from approximately 145 knots down to about 123 knots. It happened quick enough to make me think the arcraft had aborted takeoff. Shortly after the aircraft then gained speed and started to climb away. Is this normal as I've never seen that before?

#AskAPilot

 

[KARFA]

i think this assume the gs shown on FR24 is completely accurate and glitch free? is it possible there was in reality no slowing down during the take off roll?

 

[Aviador]

i think this assume the gs shown on FR24 is completely accurate and glitch free? is it possible there was in reality no slowing down during the take off roll?

Thanks, I wasn't assuming but wondered if this was a thing on rotation sometimes. Of course, yes it could have been an FR24 glitch.