My estimate on 1/4mile is 9.7@147mph. It's really hard to judge though. The pista is capable of a 10.15@142mph which is the only run recorded so far, so I think my guess is fairly conservative. Id rather underestimate than overestimate anyways.
1/4mile times vary MASSIVELY with different weather and fuel types. Over in the states their 488GTB's struggle to get 10's at 130mph, while in Australia and bahrain there's videos of them going mid-low 10's at over 136mph.
Hopefully people test them in cold weather on prepped tracks with high quality fuel.